Y24-386 - [BUG] minor ui bugs, low priority

[harrietc52]

Describe the bug
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• Label Printing 'Reset' button clears the Barcodes input but not the example output

• On Pacbio Sample > Create Library, volume is required, but not highlighted in red box as required

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To Reproduce
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2. Click on button '...'
3. See error

Expected behaviour
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